Jason returned to Iolcus with the Fleece, but the victory was hollow. The throne was not easily surrendered, and the fallout of Medea’s dark deeds eventually led to Jason’s downfall.
To accomplish this, Jason commissioned the master shipbuilder Argus to construct a vessel unlike any seen before. With the help of the goddess Athena, the was built—a galley of fifty oars, featuring a magical piece of timber in its prow from the sacred oaks of Dodona that could speak and prophesy. The Gathering of Giants
When they finally reached Colchis, King Aeëtes had no intention of handing over the Fleece. He demanded Jason perform "impossible" tasks: yoke fire-breathing bulls, plow a field with them, and sow dragon’s teeth that sprouted into an army of warriors.
The story of the is the ultimate ancient road trip—a high-stakes voyage across the edge of the known world, fueled by a quest for a prize that represented the impossible: the Golden Fleece . The Call to Adventure